Finding the Fourth Proportional to 3,148,458.63, 4,722,671.82 and 1,229,564.70
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Solution
The fourth proportional to 3,148,458.63, 4,722,671.82 and 1,229,564.70 is: 1,844,340.75
Step by Step Solution
- Step 1: Write the proportion equation
3,148,458.63 : 4,722,671.82 = 1,229,564.70 : x - Step 2: Convert to fraction form
3,148,458.63/4,722,671.82 = 1,229,564.70/x - Step 3: Cross multiply
3,148,458.63x = 4,722,671.82 × 1,229,564.70 - Step 4: Simplify right side
3,148,458.63x = 5,806,830,559,556.75 - Step 5: Solve for x
x = 5,806,830,559,556.75/3,148,458.63 - Step 6: Final answer
x = 1,844,340.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.